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Finding the Fourth Proportional to 296,072.40, 444,011.40 and 109,059.60

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Solution

The fourth proportional to 296,072.40, 444,011.40 and 109,059.60 is: 163,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,072.40 : 444,011.40 = 109,059.60 : x
  2. Step 2: Convert to fraction form
    296,072.40/444,011.40 = 109,059.60/x
  3. Step 3: Cross multiply
    296,072.40x = 444,011.40 × 109,059.60
  4. Step 4: Simplify right side
    296,072.40x = 48,423,705,679.44
  5. Step 5: Solve for x
    x = 48,423,705,679.44/296,072.40
  6. Step 6: Final answer
    x = 163,553.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.